Matrix Multiplication: Units × Prices with MMULT
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Lessons in this course
- Vectors: Dot Product, Length & the Angle Between Two MixesFree
- Matrices: Addition, Subtraction & Scalar Multiplication Pro
- Matrix Multiplication: Units × Prices with MMULT Pro
- Transpose & Identity: Bills of Materials in Both Directions Pro
- Determinants & Invertibility: MDETERM and MINVERSE Pro
- Solving Linear Systems: x = A⁻¹ b for a Production Plan Pro
- Markov Chains: Transition Matrices, Powers & the Steady State (with a Chart) Pro
- Least Squares in Matrix Form: (XᵀX)⁻¹Xᵀy vs LINEST Pro